1 // Created on: 1993-01-09 2 // Created by: CKY / Contract Toubro-Larsen ( SIVA ) 3 // Copyright (c) 1993-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 8 // This library is free software; you can redistribute it and/or modify it under 9 // the terms of the GNU Lesser General Public License version 2.1 as published 10 // by the Free Software Foundation, with special exception defined in the file 11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 12 // distribution for complete text of the license and disclaimer of any warranty. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _IGESDimen_SectionedArea_HeaderFile 18 #define _IGESDimen_SectionedArea_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <Standard_Integer.hxx> 24 #include <gp_XYZ.hxx> 25 #include <Standard_Real.hxx> 26 #include <IGESData_HArray1OfIGESEntity.hxx> 27 #include <IGESData_IGESEntity.hxx> 28 #include <Standard_Boolean.hxx> 29 class gp_Pnt; 30 31 32 class IGESDimen_SectionedArea; 33 DEFINE_STANDARD_HANDLE(IGESDimen_SectionedArea, IGESData_IGESEntity) 34 35 //! defines IGES Sectioned Area, Type <230> Form <0>, 36 //! in package IGESDimen 37 //! A sectioned area is a portion of a design which is to be 38 //! filled with a pattern of lines. Ordinarily, this entity 39 //! is used to reveal or expose shape or material characteri- 40 //! stics defined by other entities. It consists of a pointer 41 //! to an exterior definition curve, a specification of the 42 //! pattern of lines, the coordinates of a point on a pattern 43 //! line, the distance between the pattern lines, the angle 44 //! between the pattern lines and the X-axis of definition 45 //! space, and the specification of any enclosed definition 46 //! curves (commonly known as islands). 47 class IGESDimen_SectionedArea : public IGESData_IGESEntity 48 { 49 50 public: 51 52 53 Standard_EXPORT IGESDimen_SectionedArea(); 54 55 Standard_EXPORT void Init (const Handle(IGESData_IGESEntity)& aCurve, const Standard_Integer aPattern, const gp_XYZ& aPoint, const Standard_Real aDistance, const Standard_Real anAngle, const Handle(IGESData_HArray1OfIGESEntity)& someIslands); 56 57 //! Sets the cross hatches to be inverted or not, 58 //! according value of <mode> (corresponds to FormNumber) 59 Standard_EXPORT void SetInverted (const Standard_Boolean mode); 60 61 //! Returns True if cross hatches as Inverted, else they are 62 //! Standard (Inverted : Form=1, Standard : Form=0) 63 Standard_EXPORT Standard_Boolean IsInverted() const; 64 65 //! returns the exterior definition curve 66 Standard_EXPORT Handle(IGESData_IGESEntity) ExteriorCurve() const; 67 68 //! returns fill pattern code 69 Standard_EXPORT Standard_Integer Pattern() const; 70 71 //! returns point thru which line should pass 72 Standard_EXPORT gp_Pnt PassingPoint() const; 73 74 //! returns point thru which line should pass after Transformation 75 Standard_EXPORT gp_Pnt TransformedPassingPoint() const; 76 77 //! returns the Z depth 78 Standard_EXPORT Standard_Real ZDepth() const; 79 80 //! returns the normal distance between lines 81 Standard_EXPORT Standard_Real Distance() const; 82 83 //! returns the angle of lines with XT axis 84 Standard_EXPORT Standard_Real Angle() const; 85 86 //! returns the number of island curves 87 Standard_EXPORT Standard_Integer NbIslands() const; 88 89 //! returns the interior definition curves, returns Null Handle 90 //! exception raised if Index <= 0 or Index > NbIslands() 91 Standard_EXPORT Handle(IGESData_IGESEntity) IslandCurve (const Standard_Integer Index) const; 92 93 94 95 96 DEFINE_STANDARD_RTTIEXT(IGESDimen_SectionedArea,IGESData_IGESEntity) 97 98 protected: 99 100 101 102 103 private: 104 105 106 Handle(IGESData_IGESEntity) theExteriorCurve; 107 Standard_Integer thePattern; 108 gp_XYZ thePassingPoint; 109 Standard_Real theDistance; 110 Standard_Real theAngle; 111 Handle(IGESData_HArray1OfIGESEntity) theIslandCurves; 112 113 114 }; 115 116 117 118 119 120 121 122 #endif // _IGESDimen_SectionedArea_HeaderFile 123